Re: Status of loopback

On Wednesday 07 February 2001 19:52, Adam Schrotenboer wrote: > I'm curious if the loopback block driver is stable enough yet to, say > put a loopback file on a vfat partition. Don't try w/o the loop-4 patch by jens (ftp://ftp.kernel.org/pub/linux/kernel/people/axboe/patches/)

Re: Patches

guration tabs for that in netscape? Marc -- Marc Mutz <[EMAIL PROTECTED]> http://EncryptionHOWTO.sourceforge.net/ University of Bielefeld, Dep. of Mathematics / Dep. of Physics PGP-keyID's: 0xd46ce9ab (RSA), 0x7ae55b9e (DSS/DH) - To unsubscribe from this list: send the line "u

Re: Crypto in 2.4

ant to join [EMAIL PROTECTED] (majordomo) if you are interested in kerneli. Marc -- Marc Mutz <[EMAIL PROTECTED]> http://EncryptionHOWTO.sourceforge.net/ University of Bielefeld, Dep. of Mathematics / Dep. of Physics PGP-keyID's: 0xd46ce9ab (RSA), 0x7ae55b9e (DSS/DH) - To uns

Re: VM problem (2.4.0-test11)

Jussi Laako wrote: > > Hello, > > Would it be possible to implement some VM CPUtime/bandwidth limitation? > Just to not miss the obvious: You know about ulimit(3)? man 3 ulimit help ulimit (when in bash). Marc -- Marc Mutz <[EMAIL PROTECTED]> http://Encryption

Re: [uPATCH] Re: Questions about Kernel 2.4.0.*

Peter Samuelson wrote: > > +TOPDIR := $(shell pwd -P) That is specific to the bash builtin 'pwd'. GNU sh-util's pwd does not know that option (at least not my version, which is: "pwd (GNU sh-utils) 1.16") I just wanted to note that... Marc -- Marc Mu

Re: Questions about Kernel 2.4.0.*

sr/src/linux was only a symlink to the corresponding tree in /usr/src/Linux/2/2/17/... Should that not be first converted to paths that contain no symlinks? Marc -- Marc Mutz <[EMAIL PROTECTED]> http://EncryptionHOWTO.sourceforge.net/ University of Bielefeld, Dep. of Mathematics / Dep.

Re: 'holey files' not holey enough.

Andreas Dilger wrote: > > Marc Mutz writes: > > kernel 2.2.17, '/' being a 1k blocksize ext2fs: > > > > root@adam:/ > dd if=/dev/zero of=holed.file bs=1000 seek=5000 count=1000 > > 1000+0 records in > > 1000+0 records out > > root@ada

Re: 'holey files' not holey enough.

-sh holed.file 5.7Mholed.file Now that seems funny. Marc -- Marc Mutz <[EMAIL PROTECTED]> http://EncryptionHOWTO.sourceforge.net/ University of Bielefeld, Dep. of Mathematics / Dep. of Physics PGP-keyID's: 0xd46ce9ab (RSA), 0x7ae55b9e (DSS/DH) - To unsubscribe from this li

Re: [PATCH] Re: What is 2.4.0-test10: md1 has overlapping physicalunitswith md2!

x(mddev), mdidx(mddev2)); + printk(KERN_INFO "md: serializing resync, md%d shares one or +more physical units with md%d!\n", mdidx(mddev), mdidx(mddev2)); serialize = 1; break; } -- Marc Mutz <[EM

Re: patch: loop remapper

ch-int-2.4.x out there yet). However, the ciphers have not been checked to conform to that definition. Marc -- Marc Mutz <[EMAIL PROTECTED]> http://EncryptionHOWTO.sourceforge.net/ University of Bielefeld, Dep. of Mathematics / Dep. of Physics PGP-keyID's: 0xd46ce9ab (RSA), 0x7ae5

Re: A patch to loop.c for better cryption support

David Wagner wrote: > > Marc Mutz wrote: > >> There are some who believe that "not unique" IVs (across multiple > >> filesystems) facilitates some methods of cryptanalysis. > > > >Do you have a paper reference? > > (However, it does ge

Re: A patch to loop.c for better cryption support

A-1), with the digest trunctated to the cipher's block size. Let E the cipher, K the key, C[0]..C[N] the ciphertext. Calculate h=H(P[2..N]). Encrypt P[0]..P[N] in CBC mode, using h as IV. To decrypt, first decrypt C[2..N] with C[1] as IV, then calculate h=H(P[2..N]) and decrypt C[0,1

Re: A patch to loop.c for better cryption support

Andi Kleen wrote: > > On Fri, Oct 13, 2000 at 10:15:21PM +, Marc Mutz wrote: > > This thread was about encryption. And it was about IV's. The only > > encryption that vanilla loop.c (from 2.2.17) offers is 'none' and 'xor'. > > None is just

Re: A patch to loop.c for better cryption support

Andi Kleen wrote: > > On Fri, Oct 13, 2000 at 05:04:08PM +, Marc Mutz wrote: > > Andi Kleen wrote: > > > > > > > > 2.4 has already broken backwards compatibility to 2.2 (IV changed > > > from disk absolute to relative). When you change it now (

Re: A patch to loop.c for better cryption support

would thus grow by 50%. The lower half would contain the relative block number in units of 512 bytes. > Reed H. Petty > [EMAIL PROTECTED] Marc -- Marc Mutz <[EMAIL PROTECTED]> http://EncryptionHOWTO.sourceforge.net/ University of Bielefeld, Dep. of Mathematics / Dep. of Phy

Re: A patch to loop.c for better cryption support

.4 onwards can be configured to use relative block numbers as IV's. Both the FAQ in Documentation/crypto and my HOWTO suggest to set CONFIG_BLK_DEV_LOOP_USE_REL_BLOCK to 'y'. Marc -- Marc Mutz <[EMAIL PROTECTED]> http://EncryptionHOWTO.sourceforge.net/ University of Bielefeld,

Re: A patch to loop.c for better cryption support

y free choice of the encryption chunk size, down to one cipher block size and up to the underlying's block size. IV generation is what I am worried about. There is a paper about why it is a bad idea to use sequence numbers for CBC IV's. I just have to find the reference

Re: A patch to loop.c for better cryption support

ck size if asked to by some command line switch. This allows people to convert their stuff. You may want to join [EMAIL PROTECTED] (majordomo) if you want to work on this. Marc -- Marc Mutz <[EMAIL PROTECTED]> http://EncryptionHOWTO.sourceforge.net/ University of Bielefeld, Dep. of

Can ext3 or ReiserFS w/ journalling be made on /dev/loop?

_file my_mount_point be stable to work with? TIA, Marc -- Marc Mutz <[EMAIL PROTECTED]>http://marc.mutz.com/Encryption-HOWTO/ University of Bielefeld, Dep. of Mathematics / Dep. of Physics PGP-keyID's: 0xd46ce9ab (RSA), 0x7ae55b9e (DSS/DH) - To unsubscribe from this lis

[ANNOUNCE] new linux-crypto mailing list

ttp://sunsite.auc.dk/vpnd/ * Newsgroups - comp.os.linux.security -- Marc Mutz <[EMAIL PROTECTED]>http://marc.mutz.com/Encryption-HOWTO/ University of Bielefeld, Dep. of Mathematics / Dep. of Physics PGP-keyID's: 0xd46ce9ab (RSA), 0x7ae55b9e (DSS/DH) - To unsubscribe from this

Re: [PATCH/KERNELI] Util-linux 3des update

ion. However, how do you protect the random key? Marc -- Marc Mutz <[EMAIL PROTECTED]>http://marc.mutz.com/Encryption-HOWTO/ University of Bielefeld, Dep. of Mathematics / Dep. of Physics PGP-keyID's: 0xd46ce9ab (RSA), 0x7ae55b9e (DSS/DH) - To unsubscribe from this list: sen

Re: Using Yarrow in /dev/random

ne have any complaints against incorporating a new /dev/random > into the kernel? > Do you mean /rev/random or /dev/urandom? Marc -- Marc Mutz <[EMAIL PROTECTED]>http://marc.mutz.com/Encryption-HOWTO/ University of Bielefeld, Dep. of Mathematics / Dep. of Physics PGP-keyI

2.2.17's VM makes processes do their joba faster - sometimes

I carried out, where the first one seems to match the behaviour of 2.2.16 quite closely. My System: K2-2 500, 128M, SuSE 6.0. What has changed: kernel: 2.2.16 applied patches: patch-int-2.2.16.2, raid-2.2.16-A0 kernel: 2.2.17 applied patches: patch-int-2.2.16.9, raid-2.2.17-A0 (rejects by h

Re: Press release - here we go again!

t 'it' when it comes to writing press releases: Identify your strengths and explain them briefly, but so that my _mum_ says "Wow, Linux 2.4 is great! Where do I get one of those cute stuffed penguins?" after reading her woman's journal. (Ok, ok...:-) Marc -- Mar

Re: DRAM to CPU Frequency Ratio (Athlon)

Time t_RP Output Valid from Clock t_AC RAS Cycle Time t_RC RAS Active Time t_RAS The PC-blah-blah convention is also spec'ed in the above document, but here comes the short story: PC<1/t_CK>- where 1/t_CK is in MHz, CL, t_RCD and t_RP are in units of t_CK. If you